@article{027648bb0c044625806712532aad1193,
title = "An anisotropic shadow ring correction method for the horizontal diffuse irradiance measurements",
keywords = "anisotropic sky, diffuse irradiance, shadow ring, solar radiation, anisotropic sky, diffuse irradiance, shadow ring, solar radiation, anisotropic sky, diffuse irradiance, shadow ring, solar radiation",
author = "E. Vartiainen",
year = "1999",
language = "English",
volume = "17",
pages = "311--317",
journal = "Renewable Energy",
issn = "1879-0682",
publisher = "Elsevier",
number = "3",
}